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About this NPIWhat this record shows.
NPI 1689985145 is registered to East End Internal Medicine PC, a healthcare organisation classified as "Internal Medicine" and located at 887 Old Country Rd, Suite A in Riverhead, New York. The organisation's authorised official is William Kornrich. The organisation has been enumerated in the NPI registry since 2010.
Provider type
Organisation (Type 2)
Status
Active
Enumerated
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The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans East End Internal Medicine PC accepts. To confirm in-network status with your specific health plan, contact East End Internal Medicine PC directly at (631) 727-6122.
Frequently asked
Yes. NPI 1689985145 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Internal Medicine physicians (internists) specialise in the prevention, diagnosis, and treatment of diseases in adults, often coordinating care across multiple subspecialties.
The CMS NPPES Public Registry at npiregistry.cms.hhs.gov is the authoritative source. FindMyNPI mirrors this dataset and refreshes monthly. For real-time verification, you can also call the provider's office at (631) 727-6122.
An individual healthcare provider has a single Type-1 NPI for life. Organisations can hold separate Type-2 NPIs per location, specialty, or sub-entity. East End Internal Medicine PC is a Type-2 organisational NPI.
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